xpic.doc is an unformatted document on xpic. Use lpr.

test.psfig is troff document using the -me macros, including
PostScript from x2ps using psfig.

test.latex is a a sample document in LaTeX using \special to include 
PostScript from x2ps. Note that unlike psfig, you need to explicitly
specify, vspace.

tex contains a LaTeX document on using xpic figures in LaTeX using 
psfig and tpic.
